2. The device that varies incoming line pressure using centrif - ugal force is known as:

a. vacuum modulator.

b. reverse boost valve.

c. governor.

d. throttle valve.

An etchant was used to electively etch the grain boundaries. Mention whether these grain boundaries would appear brighter or darker after etching when observed through optical microscope and explain the reason for such appearance.

The number of vacancies present in some metal at 757°C is 1.7 * 1024 m-3. Calculate the number of vacancies at 470°C given that the energy for vacancy formation is 1.17 eV/atom; assume that the density at both temperatures is the same.

A heat recovery system (HRS) is used to conserve heat from the surroundings and supply it to the Mars Rover. The HRS fluid loops use Freon as the working fluid.

Which one of these gases needs the most amount of energy to ignite? Select one: 1. Butane 2. Propane 3. Ethylene 4. Hydrogen 5. Cyclohexane

What is the average production of solid wastes per capita/per day?

Given an unsorted array of distinct positive integers A[1 ... n] in the range between 1 and 10000 and an integer i in the same range. Here n can be arbitrary large. You want to find out whether there are 2 elements of the array that add up to i.

A hydraulic power unit is sometimes referred to as a?

8.21 In the final stages of production, a pharmaceutical is sterilized by heating it from 25 to 75°C as it moves at 0.2 m/s through a straight thin-walled stainless steel tube of 12.7-mm diameter.

Which of the following can improve your car's gas mileage? A. Equipment racks B. Cargo carriers C. Sports team flags D. Car aerodynamics

Which of the following describes a logic bomb? a rogue piece of code in a system activates on a certain date a piece of code replaces the boot instructions the cookie tracker is exploited to note your browsing habits a piece of code hidden in a